Home / 1,243,339.50-1,865,009.26-401,891.26

Finding the Fourth Proportional to 1,243,339.50, 1,865,009.26 and 401,891.26

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Solution

The fourth proportional to 1,243,339.50, 1,865,009.26 and 401,891.26 is: 602,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,339.50 : 1,865,009.26 = 401,891.26 : x
  2. Step 2: Convert to fraction form
    1,243,339.50/1,865,009.26 = 401,891.26/x
  3. Step 3: Cross multiply
    1,243,339.50x = 1,865,009.26 × 401,891.26
  4. Step 4: Simplify right side
    1,243,339.50x = 749,530,921,413.07
  5. Step 5: Solve for x
    x = 749,530,921,413.07/1,243,339.50
  6. Step 6: Final answer
    x = 602,836.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.